diff --git a/cql3/operation.hh b/cql3/operation.hh
index 16d5f36cd6..97f390cebe 100644
--- a/cql3/operation.hh
+++ b/cql3/operation.hh
@@ -77,6 +77,8 @@ public:
         , _t{t}
     { }
 
+    virtual ~operation() {}
+
     virtual bool uses_function(const sstring& ks_name, const sstring& function_name) const {
         return _t && _t->uses_function(ks_name, function_name);
     }